{"id":"vidhyamitra:city-day:perth:2013-06-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2013-06-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-06-12","date_display":"June 12, 2013 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2013,"month":6,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456455.770833,"kali_year":5115,"ahargana":1867990.2708,"sun":{"sidereal_longitude":56.981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":97.3278,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.3468,"elapsed_within_tithi_degrees":4.3468},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.3278,"elapsed_within_degrees":3.9945},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.3088},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2013,"month":6,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456455.770833,"ahargana":1867990.2708,"kali_year":5115,"ayanamsa_lahiri":24.0408,"grahas":{"sun":{"sidereal_longitude":57.21408300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":93.98378300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-4.2899},"mars":{"sidereal_longitude":44.01348300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":81.39128299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":62.257383000000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":76.710983,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":191.08238299999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":204.8861,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":24.8861,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2013,"month":6,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456455.770833,"kali_year":5115,"ahargana":1867990.2708,"sun":{"sidereal_longitude":56.981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":97.3278,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.3468,"elapsed_within_tithi_degrees":4.3468},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.3278,"elapsed_within_degrees":3.9945},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.3088},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.29,"elongation":40.347},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.29,"opposition_distance":139.653}},"eclipse_window_40days":[{"offset_days":-18,"type":"lunar","occurs":true,"moon_latitude":0.875,"opposition_distance":2.792}]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"07:14","sunsetLocal":"17:19","solarNoonLocal":"12:16","dayLengthHours":10.085425597660612,"dayLengthDisplay":"10 Hours 05 Mins 08 Secs","nightLengthDisplay":"13 Hours 54 Mins 52 Secs","moonriseLocal":"09:34","moonsetLocal":"19:52","rahuKala":{"name":"Rāhu Kāla","start":"12:16","end":"13:32","startHours":12.269043497323015,"endHours":13.52972169703059,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:29","end":"09:45","startHours":8.487008898200285,"endHours":9.74768709790786,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:01","end":"12:16","startHours":11.008365297615438,"endHours":12.269043497323015,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.579596671280184,"endHours":9.915777524535539,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:55","startHours":7.6465567650619,"endHours":7.915501447666183,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:36","startHours":11.932862644067662,"endHours":12.605224350578368,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:33","startHours":5.8816072854712935,"endHours":6.553968991982001,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.385878565354323,"endHours":7.226330698492708,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:37","startHours":13.949947763599782,"endHours":14.62230947011049,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.11175629615332,"endHours":17.51175629615332,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.31175629615332,"endHours":17.731982362722512,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.06175629615332,"endHours":18.81175629615332,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:36","startHours":23.93286264406766,"endHours":24.605224350578368,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:14","end":"08:29","startHours":7.226330698492708,"endHours":8.487008898200285,"quality":"auspicious"},{"name":"Amṛta","start":"08:29","end":"09:45","startHours":8.487008898200285,"endHours":9.74768709790786,"quality":"auspicious"},{"name":"Kāla","start":"09:45","end":"11:01","startHours":9.74768709790786,"endHours":11.008365297615438,"quality":"inauspicious"},{"name":"Śubha","start":"11:01","end":"12:16","startHours":11.008365297615438,"endHours":12.269043497323015,"quality":"auspicious"},{"name":"Roga","start":"12:16","end":"13:32","startHours":12.269043497323015,"endHours":13.52972169703059,"quality":"inauspicious"},{"name":"Udveg","start":"13:32","end":"14:47","startHours":13.52972169703059,"endHours":14.790399896738167,"quality":"inauspicious"},{"name":"Chala","start":"14:47","end":"16:03","startHours":14.790399896738167,"endHours":16.051078096445742,"quality":"neutral"},{"name":"Labha","start":"16:03","end":"17:19","startHours":16.051078096445742,"endHours":17.31175629615332,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:19","end":"19:03","startHours":17.31175629615332,"endHours":19.051078096445742,"quality":"inauspicious"},{"name":"Chala","start":"19:03","end":"20:47","startHours":19.051078096445742,"endHours":20.790399896738165,"quality":"neutral"},{"name":"Labha","start":"20:47","end":"22:32","startHours":20.790399896738165,"endHours":22.52972169703059,"quality":"auspicious"},{"name":"Amṛta","start":"22:32","end":"00:16","startHours":22.52972169703059,"endHours":24.269043497323015,"quality":"auspicious"},{"name":"Kāla","start":"00:16","end":"02:01","startHours":24.269043497323015,"endHours":26.008365297615438,"quality":"inauspicious"},{"name":"Śubha","start":"02:01","end":"03:45","startHours":26.008365297615438,"endHours":27.74768709790786,"quality":"auspicious"},{"name":"Roga","start":"03:45","end":"05:29","startHours":27.74768709790786,"endHours":29.487008898200287,"quality":"inauspicious"},{"name":"Udveg","start":"05:29","end":"07:14","startHours":29.487008898200287,"endHours":31.22633069849271,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.226330698492708,"endHours":8.226330698492708,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.226330698492708,"endHours":9.226330698492708,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.226330698492708,"endHours":10.226330698492708,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.226330698492708,"endHours":11.226330698492708,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.226330698492708,"endHours":12.226330698492708,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.226330698492708,"endHours":13.226330698492708,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.226330698492708,"endHours":14.226330698492708,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.226330698492708,"endHours":15.226330698492708,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.226330698492708,"endHours":16.22633069849271,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.22633069849271,"endHours":17.22633069849271,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.22633069849271,"endHours":18.22633069849271,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.22633069849271,"endHours":19.22633069849271,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.22633069849271,"endHours":20.22633069849271,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.22633069849271,"endHours":21.22633069849271,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.22633069849271,"endHours":22.22633069849271,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.22633069849271,"endHours":23.22633069849271,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.22633069849271,"endHours":24.22633069849271,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.22633069849271,"endHours":25.22633069849271,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.22633069849271,"endHours":26.22633069849271,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.22633069849271,"endHours":27.22633069849271,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.22633069849271,"endHours":28.22633069849271,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.22633069849271,"endHours":29.22633069849271,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.22633069849271,"endHours":30.22633069849271,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.22633069849271,"endHours":31.22633069849271,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.14806508009502,"eotMinutes":0.4153901606190271,"ayanamsa":24.0408}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturthī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 12, 2013 CE · Perth, Australia · Vidhyamitra","description":"June 12, 2013 CE for Perth, Australia: Śukla Caturthī, sūryodaya 07:14, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2013-06-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2013-06-12","sa":"https://sa.vidhyamitra.com/city/perth/2013-06-12","hi":"https://hi.vidhyamitra.com/city/perth/2013-06-12","x-default":"https://vidhyamitra.com/city/perth/2013-06-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T13:01:36.279Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-15T13:01:36.279Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T13:01:36.279Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}